REAR SUSPENSION BOTTOMS OUT IN COLD WEATHER. Chevrolet Tahoe

SUBJECT: REAR SUSPENSION BOTTOMS OUT IN COLD WEATHER (REPLACE JOUNCE BUMPERS)

MODELS: 1995-96 CHEVROLET AND GMC K1 4 DOOR MODELS BUILT PRIOR TO VIN BREAKPOINT:

CHEVROLET TJ347233 GMC TJ719094

CONDITION:

AN OWNER MAY REPORT THAT IN COLD WEATHER, WHEN THE TEMPERATURE IS 20 DEGREES F (-7 C) OR COLDER, THE REAR SUSPENSION BOTTOMS OUT OVER SOME BUMPS.

CAUSE:

THE JOUNCE BUMPER MATERIAL DOES NOT ADEQUATELY DAMPEN SUSPENSION JOUNCE WHEN COLD. A NEW JOUNCE BUMPER HAS BEEN DESIGNED THAT ABSORBS MORE JOUNCE ENERGY IN COLD TEMPERATURES.

CORRECTION:

REPLACE THE JOUNCE BUMPERS WITH THE REDESIGNED PARTS.

SERVICE PROCEDURE:

1. ASSEMBLE REPLACEMENT BUMPER ASSEMBLIES, P/N 15023225, TO BRACKETS, P/N 15023224, USING NUT, P/N 11516072. TIGHTEN NUT TO 47 N.M (35 LBS FT). 2. RAISE THE VEHICLE ON A HOIST. 3. REMOVE THE NUTS HOLDING THE AXLE BUMPER BRACKETS TO THE FRAME RAILS. 4. INSTALL REPLACEMENT AXLE BUMPER ASSEMBLIES AND BRACKETS TO THE FRAME. TIGHTEN NUTS TO 47 N.M (35 LBS FT). 5. LOWER VEHICLE.

PARTS INFORMATION:

P/N DESCRIPTION QTY 15023225 BUMPER ASSEMBLY 2 15023224 BRACKET 2 11516072 NUT 2

PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

WARRANTY INFORMATION

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OP DESCRIPTION LABOR TIME E4407 BUMPER, AXLE REPLACE USE PUBLISHED LABOR OPERATION TIME

IMPORTANT: LABOR OPERATION IS CODED TO BASE VEHICLE COVERAGE IN THE WARRANTY SYSTEM.

FIGURES: 0

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.